.47083333333333333333333333333 BTU (International Table)•ft / (h•ft²•ºF) (thermal conductivity)
converts to
0.814887729166666667 watt per metre kelvin (W/[m•K])
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.135 BTU (International Table)•ft / (h•ft²•ºF) (thermal conductivity)
converts to
0.233649225 watt per metre kelvin (W/[m•K])
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220 BTU (International Table)•ft / (h•ft²•ºF) (thermal conductivity)
converts to
380.7617 watt per metre kelvin (W/[m•K])